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Verzosa, Debbie Marie B.; De Las Peñas, Ma. Louise Antonette N.; Aberin, Maria Alva Q.; Garces, Len Patrick Dominic M. – International Journal of Mathematical Education in Science and Technology, 2019
This paper presents apps designed to assist students in understanding and developing proofs in geometric theorems. These technologies focus on triangle congruence, triangle similarity and properties of parallelograms. Focus group discussions and initial testing of the apps revealed that the apps offered a more engaging medium for learning proving…
Descriptors: Computer Oriented Programs, Mathematics Instruction, Scaffolding (Teaching Technique), Mathematical Logic
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Sedaghatjou, Mina; Campbell, Stephen R. – International Journal of Mathematical Education in Science and Technology, 2017
This paper explores how a young child (56 m) builds an understanding of the cardinality principle through communicative, touchscreen-based activities involving talk, gesture and body engagement working via multimodal, touchscreen interface using contemporary mobile technology. Drawing upon Nemirovsky's perceptuomotor integration theoretical lens…
Descriptors: Manipulative Materials, Phenomenology, Preschool Children, Mathematics Instruction